package com.xh.bussiness.tiku.dao;

import com.xh.bussiness.tiku.model.QuestionKnowledge;

import java.util.List;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;

/**
 * <p>
 * 试题知识点表 Mapper 接口
 * </p>
 *
 * @author daiwei
 * @since 2019-02-23
 */
public interface QuestionKnowledgeMapper extends BaseMapper<QuestionKnowledge> {
	/**
	 * 根据试题id删除
	 * @param questionId
	 */
	void deleteByQuestionId(String questionId);

	List<Integer> queryQuestionKnowledgeCount(List<String> questionIds);

}
